By Marga Delgado
Matrices have a field called Contents, where you can set the type of information that is stored: travel times, tolls, parking slots etc.
Click to enlarge: Set the type of information that is stored
You can use the Contents to group matrices into subfolders, which is particularly convenient when working with multiple matrices:
Click to enlarge: Group matrices into subfolders
Click to enlarge: Multiple matrices
Aimsun uses the Contents to filter through all the matrices and find those that can be used in a given context. For example, in the Distribution Scenario editor, the combo for Skim matrices lists only the matrices with the appropriate User Class and Contents equal to Cost, Distance, Travel Time, Speed or Toll:
Click to enlarge: Aimsun uses the Contents to filter through all the matrices
It’s important that you make sure you set the matrix Contents correctly, otherwise you may not be able to select them when you need to later on. For example, if you want to use a matrix as Max Deviation Matrix in a Static OD Adjustment, you have to set its Contents as Max Deviation:
Click to enlarge: To use a matrix as Max Deviation Matrix in a Static OD Adjustment, set its Contents as Max Deviation
You can set the Contents to one of the following options:
May 2019: In Part 1 of this series, Geline Canayon explains GIS file preparation and basic importer settings. Part 2 will deal with network importer settings.